Colombia AQI Analytics

OpenAQ-derived PM2.5 and PM10 history for 13 cities, mapped to AQI Now city pages and normalized to the US EPA AQI scale.

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City

The highest average AQI in this pilot slice is Girón, with an EPA AQI average of 104 and PM2.5 around 35.9 ug/m3. Its worst month is March.

Source: OpenAQ local parquet plus raw CSV coordinate recovery. Build 2026-05-12T00:27:56.105574+00:00.

Country average

US EPA scale

PM2.5 19.4 ug/m3 · PM10 38.2 ug/m3

Rank cities side by side using OpenAQ PM2.5 and PM10 history normalized to US EPA AQI.

13 eligible cities

Compare yearly air-quality direction, best years, worst years, and trend deltas.

2 eligible cities

Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.

13 eligible cities

Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.

13 eligible cities

City	Avg AQI	PM2.5	Worst month	Trend	Coverage
Girón Santander, Colombia	104	35.9 ug/m3	March	n/a	52 days · 2 locations
Itagüí Antioquia, Colombia	77	23.1 ug/m3	March	n/a	248 days · 2 locations
Medellín Antioquia, Colombia	75	22.2 ug/m3	March	n/a	248 days · 4 locations
Medellin Antioquia, Colombia	74	21.5 ug/m3	March	n/a	248 days · 5 locations
Caldas Antioquia, Colombia	72	20.3 ug/m3	March	n/a	243 days · 1 locations
Sabaneta Antioquia, Colombia	71	19.7 ug/m3	March	n/a	246 days · 1 locations
La Estrella Antioquia, Colombia	69	19.0 ug/m3	March	n/a	248 days · 2 locations
Bello Antioquia, Colombia	69	18.7 ug/m3	March	n/a	246 days · 3 locations
Envigado Antioquia, Colombia	66	17.3 ug/m3	March	n/a	246 days · 3 locations
Copacabana Antioquia, Colombia	64	16.6 ug/m3	March	n/a	243 days · 1 locations
Barbosa Antioquia, Colombia	62	15.8 ug/m3	March	n/a	241 days · 1 locations
Bogota Bogota D.C., Colombia	55	13.8 ug/m3	December	n/a	70 days · 2 locations
Fontibón Bogotá, Colombia	41	8.9 ug/m3	January	n/a	299 days · 3 locations